body {
	margin: 0;
	padding: 0;
	overflow-x: hidden;
}

html,
body {
	height: 100%;
}

img {
	border: none;
}

* {
	font-family: '微软雅黑';
	font-size: 12px;
	color: #626262;
}

dl,
dt,
dd {
	display: block;
	margin: 0;
}

a {
	text-decoration: none;
}

#bg {
	background-image: url(../../images/content/dotted.png);
}

.container {
	width: 100%;
	height: 100%;
	margin: auto;
}
/*left*/

.leftsidebar_box {
	width: 160px;
	height: auto !important;
	overflow: visible !important;
	position: fixed;
	height: 100% !important;
	background-color: #3992d0;
}

.line {
	height: 2px;
	width: 100%;
	background-image: url(../images/left/line_bg.png);
	background-repeat: repeat-x;
}

.leftsidebar_box dt {
	padding-left: 40px;
	padding-right: 10px;
	background-repeat: no-repeat;
	background-position: 10px center;
	color: #f5f5f5;
	font-size: 14px;
	position: relative;
	line-height: 48px;
	cursor: pointer;
}

.leftsidebar_box dd {
	background-color: #317eb4;
	padding-left: 40px;
}

.leftsidebar_box dd a {
	color: #f5f5f5;
	line-height: 20px;
}

.leftsidebar_box dt img {
	position: absolute;
	right: 10px;
	top: 20px;
}

.leftsidebar_box dt{
	background-color: #3992d0;
}
.student dt {
	background-image: url(../images/left/custom.png)
}

.teacher dt {
	background-image: url(../images/left/custom.png)
}

.questionBank dt {
	background-image: url(../images/left/statistics.png)
}

.test dt {
	background-image: url(../images/left/source.png)
}

.roots dt {
	background-image: url(../images/left/system.png)
}

.leftsidebar_box dl dd:last-child {
	padding-bottom: 10px;
}
